NPPES file of Aug 9, 2026

Matthew C. Priven, RD, LDN

Registered Dietitian · Newburyport, MA

Matthew C. Priven, RD, LDN is a registered dietitian with a practice address in Newburyport, Massachusetts, and NPI 1255886479, issued on Aug 17, 2016. Check the license (Massachusetts 3879, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255886479
Name
Matthew C. Priven
Credential
RD, LDN
Primary taxonomy
Registered Dietitian 133V00000X
License numbers
3879 MA
86025769 MA
Self-reported in NPPES; status is on the state search
Practice location
18 Highland Ave, Newburyport, MA 01950
Phone
(857) 302-3060
Enumerated
Aug 17, 2016
Record last updated
Feb 20, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(877) 778-9196
Medicare enrollment
Enrolled (PECOS I20170711002609); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest registered dietitian records → All 2,244 in Massachusetts → Look up another NPI →

Also registered at 18 Highland Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tammy Bottner, M.D.Pediatrics Physician1336236470
  2. Rebecca Chase, P.N.P.Pediatric Nurse Practitioner1053574970
  3. Jane Cleveland, PA-CMedical Physician Assistant1407839731
  4. Paul Mendelson, M.D.Internal Medicine Physician1396727228
  5. Michael Pilz, M.D.Pediatrics Physician1134167406
  6. Sherry Pleau, CPNPPediatric Nurse Practitioner1104211531

Verify Matthew C. Priven in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 3879    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Matt Priven RD LLCNewburyport, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew C. Priven among 2,244 registered dietitian records in Massachusetts

Matthew C. Priven, RD, LDN is one of 2,244 registered dietitian records with a practice address in Massachusetts. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 46% of them.

  • NPI issued2016 · 46% of these records are older, 49% newer
  • In a Medicare fileYes · 6% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Graduated2014 · median 2011 among the 202 with a school on file
  • Record last updated2020 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 registered dietitian records list a practice address in Newburyport

They are 8 of the 558 NPPES records with a practice address in Newburyport, and 2,244 registered dietitian records in Massachusetts.

All 2,244 in Massachusetts → Every provider in Newburyport → Registered Dietitian nationwide →

The 8 registered dietitian records with the nearest ZIP codes

  1. Jennifer Baum, MS, RD, LDNNewburyport, MA 019501932650967
  2. Ginny King, RD, LDNNewburyport, MA 019501619271095
  3. Mary LoneganNewburyport, MA 019501336095298
  4. Christine Mastrangelo, RDNNewburyport, MA 019501558982827
  5. Alexandra Papadakis, RD, LDNNewburyport, MA 019501851175285
  6. Marit Pywell, RDN, LDNNewburyport, MA 019501467659037
  7. Regina Shirley, RD, LDNNewburyport, MA 019501881074920
  8. Christina Kamisky, RD, LDMiddleton, MA 019491760358527

Common questions

What is Matthew C. Priven, RD, LDN's NPI number?

Matthew C. Priven, RD, LDN's National Provider Identifier (NPI) is 1255886479, issued on Aug 17, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Matthew C. Priven, RD, LDN located?

The NPPES record lists a practice address at 18 Highland Ave, Newburyport, MA, 01950. Phone: (857) 302-3060. Providers update this record themselves, so call before visiting.

How can I verify Matthew C. Priven, RD, LDN's license?

NPPES lists Massachusetts license number 3879, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.